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@ARTICLE{Gensch:46870,
author = {Gensch, T. and Hofkens, J. and Koehn, F. and Vosch, T. and
Herrmann, A. and Muellen, K. and de Schryver, F. C.},
title = {{P}olarisation sensitive single molecule fluorescence
detection with linear polarised excitation light and
modulated polarisation direction applied to
multichromophoric entities},
journal = {Single molecules},
volume = {2},
issn = {1438-5163},
address = {Berlin},
publisher = {Wiley-VCH},
reportid = {PreJuSER-46870},
pages = {35 - 44},
year = {2001},
note = {Record converted from VDB: 12.11.2012},
abstract = {Recently, investigations of the fluorescence properties of
a multichromophoric dendritic entity at the single molecule
level have revealed multiple fluorescence levels, collective
off-states, variations of the polarisation, large shifts in
the spectral position and changes in the fluorescence decay
time (Gensch et al. (1999), Hofkens et al. (2000)). In order
to further elucidate the multiple processes taking place in
this entity, measurements were done in which the
polarisation direction of the linear polarised excitation
light was modulated. The detection was sensitive for the s-
and p-components of the emitted light. The patterns of
modulation and relative intensity in the acquired traces
reflect the energy transfer processes occurring in this
multichromophoric molecule. In-phase modulation and no
modulation are the typical modulation patterns that were
observed. Simulations involving several models for energy
transfer between the chromophores have been carried out
taking into account identical conditions as for the
performed measurements. The comparison of the modulation
patterns and polarisation histograms to the measured data
rules out certain models and refines the photophysical model
for the multichromophoric entity.},
keywords = {J (WoSType)},
cin = {IBI-1},
ddc = {570},
cid = {I:(DE-Juel1)VDB57},
pnm = {Zelluläre Signalverarbeitung},
pid = {G:(DE-Juel1)FUEK95},
shelfmark = {Biochemical Research Methods / Biochemistry $\&$ Molecular
Biology / Chemistry, Multidisciplinary},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000174074400006},
doi = {10.1002/1438-5171(200103)2:1<35::AID-SIMO35>3.3.CO;2-C},
url = {https://juser.fz-juelich.de/record/46870},
}